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    Mercury 25 hp Bogging from idle

    Hi Everyone, I am the new owner of a 2003 mercury 25 (2-stroke) ELH. I replaced the water pump, cleaned the fuel filter and put in new gas and spark plugs and compression checks 100+ on both. I can run it across the lake when first out great, no issues. Out of no where it will drop RPM and bog...
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    2003 Mercury Tachometer

    I have an 03 merc 25hp with the Tachometer Adaptor Module (Part#17461A11) installed (Wow did that throw me for a loop when i was trying to figure out my wiring.) I have converted it to a tiller from remote and am wondering what kind of tach I can hook up to this module. Would something like a...
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    2003 Mercury 25 Bent prop shaft

    I have a 2003 Mercury 25 with a bent prop shaft. I am not sure how much but enough to see with the naked eye. I am looking at new shafts but there $300.00. My plan is to remove the shaft and bring it to a machine shop to be straightened (found idea in other posts.) How involved is the removal of...
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    25 HP Mercury Remote to Tiller Conversion

    Hi, I just bought a remote 2003 25 hp Merc w/electric start. I am looking to turn it into a tiller motor. I am looking to buy the parts used if possible or trade with someone looking to go remote. Please share any ideas or possible locations I could get these parts. Mercury has a kit but i am...
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    1976 Johnson 25 HP Idle/Fuel Problems

    Hi, I have been skimming past posts to find an answer to my question and have been unsucessful. My motor when first started will run very rough, vroom....vroom....vroom....pop, vroom....vroom....vroom....pop. When the motor warms up this condition seems to stop, but when crusing fuel begins...
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    1976 25 hp Johnson Carb Troubles

    Hi, I am hoping someone out there can help. I rebuilt the carb in my 1976 25 hp johnson at the beginning of the season. It ran great. I have cleaned it since these symptoms have arrived so I know it's clean. Maybe my adjustments are off? When it starts it slowly gains RPM until it "Pop's"...
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    Fuel Supply Problem Johnson 25HP

    Hi, I replaced my fuel primer bulb after having issues with fuel getting to the engine. This solved the problem initially but now i am having problems again. I can keep the motor running but i have to continuosly pump the bulb? Any ideas? From what i found searching the site i may need to clean...
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    1976 Johnson 25EL76E Wiring Question

    Re: 1976 Johnson 25EL76E Wiring Question I think I have figured out which wires do what (thanks tashasdaddy) There is currently a black plug holding the: +, - terminals from the battery, SOL, CHOKE, 2 MAG wires that plugs into the front of the motor. If I simply hard wire the + and - from the...
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    1973 Johnson 25 Remote Wiring

    Hello Everyone, I have a 1973 25 hp johnson electric start that is currently set up with a remote key and choke assembly. I have rewired this to have a push button start, kill, and choke right on the cowling only having my starter wires coming out of the engine. I know what most of the wires do...
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    1976 Johnson 25EL76E Wiring Question

    Hello Everyone, I have a 1973 25 hp johnson electric start that is currently set up with a remote key and choke assembly. I have rewired this to have a push button start, kill, and choke right on the cowling only having my starter wires coming out of the engine. I know what most of the wires do...
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    Mercury 2.2 HP conversion to 3.3 hp!

    I have a 1987 2.2 hp. I have heard it is the same as the 3.3 hp, but the 2.2has a restrictor plate between the carb and engine. If i remove this restrictor plate will this motor will still run safely? Do i need a new main jet? or can it be run without the restrictor the way it is? Any help would...
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